.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(64, 58, 92, 0.96);
  color: white;
  backdrop-filter: blur(12px);
}

.topbar__inner,
.page {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-3);
}

.brand__logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand__name,
.brand__version {
  display: block;
}

.brand__name { font-weight: 900; }
.brand__version { color: rgba(255, 255, 255, 0.68); font-size: var(--font-size-xs); }

.topbar__status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.page {
  padding-block: var(--space-8) var(--space-12);
}

.hero {
  display: grid;
  align-items: center;
  gap: var(--space-6);
  grid-template-columns: minmax(0, 1fr) auto;
  margin-bottom: var(--space-8);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-md);
}

.hero__eyebrow,
.section-eyebrow {
  margin-bottom: var(--space-2);
  color: var(--color-turquoise-deep);
  font-size: var(--font-size-xs);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__lead {
  max-width: 55rem;
  margin-bottom: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

.hero__logo { width: clamp(100px, 14vw, 168px); }
.grid { display: grid; gap: var(--space-5); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.section { margin-top: var(--space-8); }
.section__header { display: flex; align-items: end; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-4); }
.footer { padding: var(--space-6) var(--space-4); border-top: 1px solid var(--color-border); color: var(--color-text-muted); text-align: center; font-size: var(--font-size-sm); }